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Sample GSM4769326 Query DataSets for GSM4769326
Status Public on Dec 31, 2021
Title Sorghum leaves-control degradome
Sample type SRA
 
Source name Sorghum leaves
Organism Sorghum bicolor
Characteristics tissue: leaves
treatment: control
Treatment protocol To impose heat stress, 30 days after sowing, sorghum seedlings grown at 28°/20°C (day/night) were transferred to another growth chamber maintained at 38°/30°C (day/night) for 50 days. Drought stress was imposed by withholding irrigation for one week on 73-day-old (after sowing) plants grown at 28°/20°C (day/night). Drought and heat combination was imposed by withholding irrigation for one week on 73-day-old (after sowing) plants grown at 38°/30°C (day/night). At the end of stress treatment, leaf samples from control, drought or heat, drought and heat-stressed plants were harvested
Growth protocol Sorghum (Sorghum bicolor (L.) Moench) seeds were sown in pots (0.2 m diameter × 0.45 m tall) filled with pure, fine sand soil and grown in growth chambers (Conviron Ltd., Winnipeg, Canada) at 28°/20°C (day/night) with a photoperiod of 14 h/10 h (day/night). After germination, sorghum seedlings were thinned to one plant per pot.
Extracted molecule polyA RNA
Extraction protocol Total RNA was extracted from leaves of control, drought or heat, drought and heat-exposed sorghum using the Trizol reagent
Degradome libraries were constructed using poly-A+ RNA, which was ligated to a 5’adapter containing a MmeI site at its 3’-end. The ligated products were used for cDNA production and amplified by PCR for five cycles. The PCR products were digested with MmeI and the resulting fragments ligated to a second double-stranded oligonucleotide, purified and amplified for another ten PCR cycles. The PCR product has been purified and sequenced.
 
Library strategy ncRNA-Seq
Library source transcriptomic
Library selection size fractionation
Instrument model Illumina HiSeq 2500
 
Data processing Remove low quality reads with nucleotides of scores lower than 30 in the first 25 nucleotides
Cut the first 20 nucleotides in the remaining reads
Sort and remove repetitive sequences
Calculate the counts of unique sequences
Supplementary_files_format_and_content: sequences and count values
 
Submission date Sep 04, 2020
Last update date Dec 31, 2021
Contact name Yun Zheng
E-mail(s) zhengyun5488@gmail.com
Organization name Yunnan Agricultural University
Street address 452 Fengyuan Road
City Kunming
State/province Yunnan
ZIP/Postal code 650201
Country China
 
Platform ID GPL21615
Series (1)
GSE157521 Degradome profiles in leaves of Sorghum exposed to drought or heat or their combination
Relations
BioSample SAMN16063235
SRA SRX9078302

Supplementary file Size Download File type/resource
GSM4769326_sor-control_1.txt.gz 6.3 Mb (ftp)(http) TXT
SRA Run SelectorHelp
Raw data are available in SRA
Processed data provided as supplementary file

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